2126768378 has 8 divisors (see below), whose sum is σ = 3645888672. Its totient is φ = 911472156.

The previous prime is 2126768353. The next prime is 2126768453. The reversal of 2126768378 is 8738676212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75956000 + ... + 75956027.

It is an arithmetic number, because the mean of its divisors is an integer number (455736084).

Almost surely, 2^2126768378 is an apocalyptic number.

2126768378 is a deficient number, since it is larger than the sum of its proper divisors (1519120294).

2126768378 is a wasteful number, since it uses less digits than its factorization.

2126768378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151912036.

The product of its digits is 1354752, while the sum is 50.

The square root of 2126768378 is about 46116.8990501313. The cubic root of 2126768378 is about 1285.9973237272.

The spelling of 2126768378 in words is "two billion, one hundred twenty-six million, seven hundred sixty-eight thousand, three hundred seventy-eight".